For quantitative determination of copper (II) ion and evaluation of drug effects on Cu metabolism. Key Features: Sensitive and accurate. Linear detection range 7 µ g/dL (1.0 µ M) to 300 µ g/dL (47 µ M) copper in 96-well plate assay. Simple and high-throughput. The simple procedure can be readily automated as a high-throughput assay in 96-well plates for thousands of samples per day. Improved reagent stability and versatility. The optimized formulation has greatly enhanced reagent and signal stability. Cuvet or 96-well plate assay. Method: OD359nm. Samples: Biological, environment, food and beverage. Species: All. Procedure: Assay takes 10 min. Kit size: 250 tests. Detection limit: 7 µ g/dL (1.0 µ M) .